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Finding the Fourth Proportional to 18,293, 27,423.12 and 6,603.56

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Solution

The fourth proportional to 18,293, 27,423.12 and 6,603.56 is: 9,899.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293 : 27,423.12 = 6,603.56 : x
  2. Step 2: Convert to fraction form
    18,293/27,423.12 = 6,603.56/x
  3. Step 3: Cross multiply
    18,293x = 27,423.12 × 6,603.56
  4. Step 4: Simplify right side
    18,293x = 181,090,218.31
  5. Step 5: Solve for x
    x = 181,090,218.31/18,293
  6. Step 6: Final answer
    x = 9,899.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.